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If a number is divisible by 3 or more numbers than that number is composite, if not than it is prime.

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โˆ™ 2013-01-23 02:36:30
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Q: How do divisibility ryles help you to determine if a number is prime or composite?
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How can your knowledge of divisibility rules help you to determine whether a number is prime or composite?

If a number is divisible by anything other than itself and 1, it's composite.


How can you use a divisibility rule to determine if117 is prime or composite?

By using the divisibility rule for 3, we find that 117 is divisible by 3. That makes it composite.


Determine if the number 79 is Prime or Composite?

It is a prime.


What are the determine number is a prime or composite of50?

10, 25, 50 are the composite factors of the composite number 50. 2 and 5 are prime.


Can you use divisibility rules to find out if a number is prime or composite?

Yes you canYes. If a number is divisible by anything other than one or itself, it's composite.


How can knowing the divisibility rules help to determine if a number is prime or composite?

Knowing the divisibility rules will help you by being able to recognize if a number has factors (other than one and itself) which are covered by the rules. This will save actually having to start doing divisions.


Is 350 composite or prime?

350 is a composite number. it can be divisible by 10, 35, 5, 2 etc. You will find it easier to tell between prime and composite if you know the divisibility rules. one simple one is that if a number ends with zero it is divisible by 10...there are a lot of other divisibility rules.


Determine if the given number is prime if the number is composite write it has a prime factor 295?

295 is composite - 5 x 59.


How can you determine what numbers are prime or composite?

If the number can be multiplied by any number other than 1 it is a composite any other is prime


How can you use arrays to determine if a number prime or composite?

Yes


What numbers are prime and composite numbers?

To determine which number is a prime or composite number, your number must only have two factors, the number itself and one, if it more then two factors then it is a composite number.


How do you figure out a composite number?

A number can be factored to determine whether it is prime or composite. A prime number has exactly 2 factors, 1 and the number itself. A composite number has more than two factors.


Hwo do you determine if a number is prime or composite?

Prime numbers have two factors, composite numbers have more than two.


How can a factor tree help you determine if a number is prime or composite?

Prime numbers don't have factor trees. So if you can create a tree, your number's composite.


Do you need to know all the factors of a number to decide if its prime or composite?

No. If the number has one factor (other than 1 and itself) it is a composite. However, to establish that a number is prime it needs to be checked for divisibility by each prime number up to the square root of the number. If the only factor found is 1, then it is a prime.


How do you know what the 1st 10 composite numbers are?

I can check them for divisibility by prime numbers.


How do you determine if a number is prime or composite?

If the number is divisible by any number and the quotient comes out to a whole number, then that number is composite. The number is prime when divided by a number, the answer is a decimal, then the number is prime. A prime number has exactly two factors, 1 and the number itself. Any number having more factors is a composite number.


Do you need to know all of the factors of a number in order to determine if it prime or composite?

No, you only need to determine if the number has any factors besides 1 and itself. If it does, it is a composite number.


Determine if 16 is a prime or composite?

16 is composite.


How to easily determine prime and composite number?

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite.


Is 153 a prime or composite number or a prime number?

It is a composite number.


Is 294 a Prime or Composite number?

It is not a prime number, it is a composite number.


Is 1029 a prime or composite?

It is not a prime number, it is a composite number.


Is 605 a prime number or a composite number?

It is a composite number, not a prime number.


Do you need to know all the factors of a number in order to determine if it is a prime or composite?

No. There are techniques to find if it is prime